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(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

CAS号：882051-84-5

英文名：(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

分子式：C34H56O7

分子量：576.804

合成路线

(E)-(R)-4-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aR)-8,8,10a,12a-Tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-pent-2-enoic acid ethyl ester

(E)-(R)-4-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aR)-8,8,10a,12a-Tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-pent-2-enoic acid ethyl ester

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

(20S)-2α,3α-isopropylidenedioxy-5α-pregnan-6-one-20-carbaldehyde

(20S)-2α,3α-isopropylidenedioxy-5α-pregnan-6-one-20-carbaldehyde

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

ethyl (22R,23S)-2α,3α-isopropylidenedioxy-22,23-dihydroxy-6-oxo-5α-cholan-24-oate

ethyl (22R,23S)-2α,3α-isopropylidenedioxy-22,23-dihydroxy-6-oxo-5α-cholan-24-oate

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

(4S,5R)-2,2-Dimethyl-5-[(S)-1-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aS)-8,8,10a,12a-tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-ethyl]-[1,3]dioxolane-4-carboxylic acid ethyl ester

(4S,5R)-2,2-Dimethyl-5-[(S)-1-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aS)-8,8,10a,12a-tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-ethyl]-[1,3]dioxolane-4-carboxylic acid ethyl ester

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol

上游原料

(E)-(R)-4-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aR)-8,8,10a,12a-Tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-pent-2-enoic acid ethyl ester ethyl (22R,23S)-2α,3α-isopropylidenedioxy-22,23-dihydroxy-6-oxo-5α-cholan-24-oate (4S,5R)-2,2-Dimethyl-5-[(S)-1-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aS)-8,8,10a,12a-tetramethyl-5-oxo-hexadecahydro-7,9-dioxa-dicyclopenta[a,h]phenanthren-1-yl)-ethyl]-[1,3]dioxolane-4-carboxylic acid ethyl ester (20S)-2α,3α-isopropylidenedioxy-5α-pregnan-6-one-20-carbaldehyde

下游产品

26,27-bisnorcastasterone